Ack!
I found an error in the time interval calculations... which reduces the
dV values given above by about half... which makes the effect even
*less*!
Provided of course, that I didn't make any other mistakes...
Cycling Equipment · Public discussion
Re: Do fluctuations during the pedal stroke slow you down?
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- Cycling Equipment
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- 24 December 2005
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- 24 December 2005
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- Ron Ruff
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"Ron Ruff" <[email hidden]> wrote in message
news:[email hidden]...Quoted message said:
Ack!
I found an error in the time interval calculations... which reduces
the
dV values given above by about half... which makes the effect even
*less*!Provided of course, that I didn't make any other mistakes...
I agree, Aero is still the biggest factor. Suppose we have two cyclists
climbing at an average speed of 10mph; one cyclist's speed is a constant
10mph (he/she has a perfect 360 degreee power application) and the other
fluctuates from 6 to 14mph.The power requirement for speed fluctuation will be higher (all other
things being equal) due to aerodynamic effect. If the power required to
overcome drag at a constant 10mph is 20 watts, for a 6 to 14 mph
fluctuation it will vary from 4.3 to 54.9 watts and will be closer to 30
watts average.For a 500 watt output, this is a 2% increase at the same average speed.
Phil H
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